﻿using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using Microsoft.VisualStudio.Shell.Interop;
using Microsoft.VisualStudio.Shell;
using System.ComponentModel.Design;
using Wicresoft.Shell.Core;
using Microsoft.VisualBasic;

namespace Wicresoft.XslDebugger
{
    /// <summary>
    /// This class implements the tool window exposed by this package and hosts a user control.
    ///
    /// In Visual Studio tool windows are composed of a frame (implemented by the shell) and a pane, 
    /// usually implemented by the package implementer.
    ///
    /// This class derives from the ToolWindowPane class provided from the MPF in order to use its 
    /// implementation of the IVsWindowPane interface.
    /// </summary>
    [Guid("dd07cca3-9a29-4e30-8971-fe670f0dcde8")]
    public class MyToolWindow : ToolWindowPane
    {
        // This is the user control hosted by the tool window; it is exposed to the base class 
        // using the Window property. Note that, even if this class implements IDispose, we are
        // not calling Dispose on this object. This is because ToolWindowPane calls Dispose on 
        // the object returned by the Window property.
        private MyControl control;
        private InputUrlForm m_InputUrlForm;

        /// <summary>
        /// Standard constructor for the tool window.
        /// </summary>
        public MyToolWindow() :
            base(null)
        {
            // Set the window title reading it from the resources.
            this.Caption = Resources.ToolWindowTitle;
            // Set the image that will appear on the tab of the window frame
            // when docked with an other window
            // The resource ID correspond to the one defined in the resx file
            // while the Index is the offset in the bitmap strip. Each image in
            // the strip being 16x16.
            this.BitmapResourceID = 302;
            this.BitmapIndex = 0;


            control = new MyControl(this);
            m_InputUrlForm = new InputUrlForm();

            this.ToolBar = new CommandID(GuidList.guidXslDebuggerCmdSet, (int)PkgCmdIDList.MyMenu);

            AssignEventHandler(PkgCmdIDList.cmdidTransform, control.tsbtnTransform_Click);
            AssignEventHandler(PkgCmdIDList.cmdidOpen, control.tsbtnLoadHtml_Click);
            AssignEventHandler(PkgCmdIDList.cmdidGOTO, OnGotoButton);
        }

        public void OnGotoButton(object sender, System.EventArgs e)
        {
            using (InputUrlForm urlForm = new InputUrlForm())
            {
                if (DialogResult.OK == urlForm.ShowDialog())
                {
                    control.SetHtmlString(urlForm.HtmlString);
                }
            }
        }

        private void AssignEventHandler(uint cmdID, EventHandler handler)
        {            
            OleMenuCommandService menuService = (OleMenuCommandService)GetService(typeof(IMenuCommandService));
            if (menuService != null)
            {
                CommandID toolbarButtonCommandID = new CommandID(GuidList.guidXslDebuggerCmdSet, (int)cmdID);
                MenuCommand menuItem = new MenuCommand(handler, toolbarButtonCommandID);
                menuService.AddCommand(menuItem);
            }
        }

        /// <summary>
        /// This property returns the handle to the user control that should
        /// be hosted in the Tool Window.
        /// </summary>
        override public IWin32Window Window
        {
            get
            {
                return (IWin32Window)control;
            }
        }

        internal object GetVsService(Type service)
        {
            object obj = null;

            obj = GetService(service);
            if (obj == null)
            {
                obj = Microsoft.VisualStudio.Shell.Package.GetGlobalService(service);
            }

            return obj;
        }
    }
}
